Home / 54,888.12-75,747.33-31,016.34

Finding the Fourth Proportional to 54,888.12, 75,747.33 and 31,016.34

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Solution

The fourth proportional to 54,888.12, 75,747.33 and 31,016.34 is: 42,803.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.12 : 75,747.33 = 31,016.34 : x
  2. Step 2: Convert to fraction form
    54,888.12/75,747.33 = 31,016.34/x
  3. Step 3: Cross multiply
    54,888.12x = 75,747.33 × 31,016.34
  4. Step 4: Simplify right side
    54,888.12x = 2,349,404,941.37
  5. Step 5: Solve for x
    x = 2,349,404,941.37/54,888.12
  6. Step 6: Final answer
    x = 42,803.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.